▎ 摘　　要

NOVELTY - Producing 3-chloro-1,2-propanediol using graphene oxide catalyst modified by acetic anhydride involves using solid acetic anhydride modified graphene oxide (AGO) as a catalyst. The hydrochloric acid and glycerin are added to the reaction kettle, and heated to 50-110 degrees C in a nitrogen atmosphere. The reaction is stirred for 2-10 hours, and the temperature is lowered to 30-60 degrees C. Then the catalyst and the reaction liquid are separated by centrifugation. The reaction liquid is rectified under reduced pressure to obtain the product that is 3-chloro-1,2-propanediol. USE - Method for producing 3-chloro-1,2-propanediol using graphene oxide catalyst modified by acetic anhydride. ADVANTAGE - The process is simple, and the catalyst can be recycled and regenerated. The conversion rate of the reactant glycerol can reach more than 95%, and the selectivity of the product 3 chloro 1,2 propylene glycol can reach more than 80%.